DolRecomp, a Wii/GameCube static recompiler, was recently made public

siahisaforker · 2026-06-25T03:22:29+0100

ExpansionPak has made DolRecomp public.

DolRecomp is a static recompiler for GameCube, Wii, and experimental Wii U CPU code. It reads executable code sections, decodes PowerPC instructions, and emits C code that can be compiled and tested on PC.

GitHub:
https://github.com/ExpansionPak/DolRecomp

Current status:

GameCube/Wii DOL loading works
GameCube/Wii REL loading works for single modules and folders of modules
Wii U RPX loading works for executable sections, though Wii U support is experimental
The decoder currently recognizes 236 PowerPC/Gekko/Broadway/Espresso opcodes
The backend emits split C output with multithreaded worker support

Important note: DolRecomp is CPU-code-only. It does not include a runtime. You will need to bring your own. SMC is currently (intentionally) unhandled as well.

This is not an instant “drop in a game and get a PC port” tool, but it is a pretty big step for GameCube/Wii static recompilation work.

cvskid · 2026-06-25T05:04:57+0100

Are recomps or decomps better? Noticed alot of recomps come out faster than decomps.

master801 · 2026-06-25T05:07:59+0100

Looks like an interesting project.

Also, this looks to be a grammar mistake? lol

warning: this DOL may patch executable memory at runtime. generated code many need additional patches

siahisaforker · 2026-06-25T05:11:45+0100

master801 said:
Looks like an interesting project.

Also, this looks to be a grammar mistake? lol

...oops

Post automatically merged: Today at 5:13 AM

cvskid said:
Are recomps or decomps better? Noticed alot of recomps come out faster than decomps.

they're different things, decomps arent always for ports, Recomps are primarily for ports

DolRecomp, a Wii/GameCube static recompiler, was recently made public

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